ci(v3): retire ubuntu focal

ci/cloudbuild/dockerfiles/ubuntu-22.04-install.Dockerfile

@@ -0,0 +1,202 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && \
+    apt-get --no-install-recommends install -y \
+        automake \
+        build-essential \
+        clang \
+        cmake \
+        curl \
+        gawk \
+        git \
+        gcc \
+        g++ \
+        libcurl4-openssl-dev \
+        libssl-dev \
+        libtool \
+        lsb-release \
+        make \
+        ninja-build \
+        patch \
+        pkg-config \
+        python3 \
+        python3-dev \
+        python3-pip \
+        tar \
+        unzip \
+        zip \
+        wget \
+        zlib1g-dev \
+        apt-utils \
+        ca-certificates \
+        apt-transport-https
+
+# Install Python packages used in the integration tests.
+RUN update-alternatives --install /usr/bin/python python $(which python3) 10
+RUN pip3 install setuptools wheel
+# The Cloud Pub/Sub emulator needs Java :shrug:
+RUN apt update && apt install -y openjdk-11-jre
+
+# Install all the direct (and indirect) dependencies for google-cloud-cpp.
+# Use a different directory for each build, and remove the downloaded
+# files and any temporary artifacts after a successful build to keep the
+# image smaller (and with fewer layers)
+
+WORKDIR /var/tmp/build/abseil-cpp
+RUN curl -fsSL https://github.com/abseil/abseil-cpp/archive/20250814.1.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+      -DCMAKE_BUILD_TYPE="Release" \
+      -DCMAKE_CXX_STANDARD=17 \
+      -DABSL_BUILD_TESTING=OFF \
+      -DBUILD_SHARED_LIBS=yes \
+      -S . -B cmake-out -GNinja && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+WORKDIR /var/tmp/build/googletest
+RUN curl -fsSL https://github.com/google/googletest/archive/v1.16.0.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+      -DCMAKE_BUILD_TYPE="Release" \
+      -DCMAKE_CXX_STANDARD=17 \
+      -DBUILD_SHARED_LIBS=yes \
+      -S . -B cmake-out -GNinja  && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+WORKDIR /var/tmp/build/benchmark
+RUN curl -fsSL https://github.com/google/benchmark/archive/v1.9.2.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+        -DCMAKE_BUILD_TYPE="Release" \
+        -DBUILD_SHARED_LIBS=yes \
+        -DBENCHMARK_ENABLE_TESTING=OFF \
+        -S . -B cmake-out -GNinja  && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+WORKDIR /var/tmp/build/nlohmann-json
+RUN curl -fsSL https://github.com/nlohmann/json/archive/v3.11.3.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+      -DCMAKE_BUILD_TYPE="Release" \
+      -DBUILD_SHARED_LIBS=yes \
+      -DBUILD_TESTING=OFF \
+      -DJSON_BuildTests=OFF \
+      -S . -B cmake-out -GNinja && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+
+WORKDIR /var/tmp/build/protobuf
+RUN curl -fsSL https://github.com/protocolbuffers/protobuf/archive/v33.1.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_CXX_STANDARD=17 \
+        -DBUILD_SHARED_LIBS=yes \
+        -Dprotobuf_BUILD_TESTS=OFF \
+        -Dprotobuf_ABSL_PROVIDER=package \
+        -S . -B cmake-out -GNinja && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+WORKDIR /var/tmp/build/c-ares
+RUN curl -fsSL https://github.com/c-ares/c-ares/archive/refs/tags/cares-1_17_1.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DBUILD_SHARED_LIBS=yes \
+        -S . -B cmake-out -GNinja && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+WORKDIR /var/tmp/build/re2
+RUN curl -fsSL https://github.com/google/re2/archive/2025-07-22.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake -DCMAKE_BUILD_TYPE=Release \
+        -DBUILD_SHARED_LIBS=ON \
+        -DRE2_BUILD_TESTING=OFF \
+        -S . -B cmake-out -GNinja && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+WORKDIR /var/tmp/build/
+RUN curl -fsSL https://github.com/open-telemetry/opentelemetry-cpp/archive/v1.24.0.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+        -DCMAKE_CXX_STANDARD=17 \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE \
+        -DBUILD_SHARED_LIBS=ON \
+        -DWITH_EXAMPLES=OFF \
+        -DWITH_STL=CXX17 \
+        -DBUILD_TESTING=OFF \
+        -DOPENTELEMETRY_INSTALL=ON \
+        -DOPENTELEMETRY_ABI_VERSION_NO=2 \
+        -S . -B cmake-out -GNinja && \
+    cmake --build cmake-out --target install && \
+    ldconfig && cd /var/tmp && rm -fr build
+
+WORKDIR /var/tmp/build/grpc
+RUN curl -fsSL https://github.com/grpc/grpc/archive/v1.76.0.tar.gz | \
+    tar -xzf - --strip-components=1 && \
+    cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_CXX_STANDARD=17 \
+        -DBUILD_SHARED_LIBS=ON \
+        -DgRPC_INSTALL=ON \
+        -DgRPC_BUILD_TESTS=OFF \
+        -DgRPC_ABSL_PROVIDER=package \
+        -DgRPC_CARES_PROVIDER=package \
+        -DgRPC_PROTOBUF_PROVIDER=package \
+        -DgRPC_RE2_PROVIDER=package \
+        -DgRPC_SSL_PROVIDER=package \
+        -DgRPC_ZLIB_PROVIDER=package \
+        -DgRPC_OPENTELEMETRY_PROVIDER=package \
+        -DgRPC_BUILD_GRPCPP_OTEL_PLUGIN=ON \
+        -S . -B cmake-out -GNinja && \
+    cmake --build cmake-out --target install && \
+    ldconfig && \
+    cd /var/tmp && rm -fr build
+
+# Install the Cloud SDK and some of the emulators. We use the emulators to run
+# integration tests for the client libraries.
+COPY . /var/tmp/ci
+WORKDIR /var/tmp/downloads
+RUN /var/tmp/ci/install-cloud-sdk.sh
+ENV CLOUD_SDK_LOCATION=/usr/local/google-cloud-sdk
+ENV PATH=${CLOUD_SDK_LOCATION}/bin:${PATH}
+
+WORKDIR /var/tmp/sccache
+RUN curl -fsSL https://github.com/mozilla/sccache/releases/download/v0.10.0/sccache-v0.10.0-x86_64-unknown-linux-musl.tar.gz | \
+    tar -zxf - --strip-components=1 && \
+    mkdir -p /usr/local/bin && \
+    mv sccache /usr/local/bin/sccache && \
+    chmod +x /usr/local/bin/sccache
+
+# Update the ld.conf cache in case any libraries were installed in /usr/local/lib*
+RUN ldconfig /usr/local/lib*

ci/cloudbuild/dockerfiles/ubuntu-22.04.Dockerfile

@@ -1,4 +1,4 @@
-# Copyright 2021 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ci/cloudbuild/triggers/clang-7-0-ci.yaml → ci/cloudbuild/triggers/clang-14-0-ci.yaml

@@ -19,10 +19,10 @@ github:
   push:
     branch: prepare-for-v3.0.0
 includeBuildLogs: INCLUDE_BUILD_LOGS_WITH_STATUS
-name: prepare-for-v3-0-0-clang-7-0-ci
+name: prepare-for-v3-0-0-clang-14-0-ci
 substitutions:
-  _BUILD_NAME: clang-7.0
-  _DISTRO: ubuntu-20.04-install
+  _BUILD_NAME: clang-14.0
+  _DISTRO: ubuntu-22.04-install
   _TRIGGER_TYPE: ci
 tags:
 - ci

ci/cloudbuild/triggers/clang-7-0-pr.yaml → ci/cloudbuild/triggers/clang-14-0-pr.yaml

@@ -20,10 +20,10 @@ github:
     branch: prepare-for-v3.0.0
     commentControl: COMMENTS_ENABLED_FOR_EXTERNAL_CONTRIBUTORS_ONLY
 includeBuildLogs: INCLUDE_BUILD_LOGS_WITH_STATUS
-name: prepare-for-v3-0-0-clang-7-0-pr
+name: prepare-for-v3-0-0-clang-14-0-pr
 substitutions:
-  _BUILD_NAME: clang-7.0
-  _DISTRO: ubuntu-20.04-install
+  _BUILD_NAME: clang-14.0
+  _DISTRO: ubuntu-22.04-install
   _TRIGGER_TYPE: pr
 tags:
 - pr

ci/cloudbuild/triggers/quickstart-cmake-ci.yaml

@@ -22,7 +22,7 @@ includeBuildLogs: INCLUDE_BUILD_LOGS_WITH_STATUS
 name: prepare-for-v3-0-0-quickstart-cmake-ci
 substitutions:
   _BUILD_NAME: quickstart-cmake
-  _DISTRO: ubuntu-focal
+  _DISTRO: ubuntu-22.04
   _TRIGGER_TYPE: ci
 tags:
 - ci

ci/cloudbuild/triggers/quickstart-cmake-pr.yaml

@@ -23,7 +23,7 @@ includeBuildLogs: INCLUDE_BUILD_LOGS_WITH_STATUS
 name: prepare-for-v3-0-0-quickstart-cmake-pr
 substitutions:
   _BUILD_NAME: quickstart-cmake
-  _DISTRO: ubuntu-focal
+  _DISTRO: ubuntu-22.04
   _TRIGGER_TYPE: pr
 tags:
 - pr

ci/generate-markdown/generate-packaging.sh

@@ -37,7 +37,6 @@ file="doc/packaging.md"
     "demo-opensuse-leap.Dockerfile,openSUSE (Leap)"
     "demo-ubuntu-24.04.Dockerfile,Ubuntu (24.04 LTS - Noble Numbat)"
     "demo-ubuntu-jammy.Dockerfile,Ubuntu (22.04 LTS - Jammy Jellyfish)"
-    "demo-ubuntu-focal.Dockerfile,Ubuntu (20.04 LTS - Focal Fossa)"
     "demo-debian-bookworm.Dockerfile,Debian (12 - Bookworm)"
     "demo-debian-bullseye.Dockerfile,Debian (11 - Bullseye)"
     "demo-rockylinux-9.Dockerfile,Rocky Linux (9)"